* Add pastel and hot pink base configuration & labels
* Update Author Background Color to be based on --secondary-card-bg-color instead of --scrollbar-color
This unneeded dependency on the scrollbar color here resulted in the Author Background text blending into its background on the new Hot Pink theme. This change does not tangibly affect any other theme, whose scrollbar colors are incidentally similar to the secondary-card-bg-color, as this color is already being used for tags on the Channel About tab.
* Implement Pastel Pink and Hot Pink styling
Note that Hot Pink styling overwrites the primary and secondary color themes to maintain accessible color contrasts throughout FreeTube. It also updates the underline styling to match its aesthetic. The scrollbar-text-color-hover and side-nav-active-text-color colors are added for allow for the text and icon to both change on hover. This allows for more accessible hover and active styling.
* Add textWhiteSmall and iconWhiteSmall to repo; add FT pink icon themes
The textWhiteSmall was actually already sized exactly the same as the other small text files, so I just changed the name to reflect that fact.
* Add side-nav-hover-text-color and side-nav-active-text-color throughout FT
* Update Hot Pink theme accent-color-active
* Add side-nav hover-text and active-text styling to ft-icon-button
* Fix incorrect variable name
* Disable primary & secondary color theme controls when hot pink theme is enabled
Jason